| Patents for B21C 1 - Manufacture of metal sheets, wire, rods,tubesor like semi-manufactured productsby drawing (5,150) |
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| 09/05/2007 | CN200942408Y Hydraulic cold drawing mill expanding diameter device |
| 09/05/2007 | CN200942406Y Silencer for universal heavy-duty drawing machine |
| 09/05/2007 | CN101029370A Production of FeNi-expansion alloy |
| 09/05/2007 | CN101028680A Method for producing 8.8-grade high-strength fastener |
| 09/05/2007 | CN101028644A Short flow-path production of copper and copper alloy precisive pipe |
| 09/05/2007 | CN101028633A Aluminum wiredrawing process |
| 08/30/2007 | WO2007096040A1 Drawing method for shaping workpieces of metallic materials and device for carrying out the method |
| 08/30/2007 | US20070199720 Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe |
| 08/30/2007 | DE102006007853A1 Pulling method for forming e.g. plug, from metallic material, involves oscillatingly moving workpice and/or draw tool around axis that runs transverse to pulling direction while pulling workpiece |
| 08/22/2007 | EP1820576A1 Production method of seamless steel pipe |
| 08/22/2007 | CN101020198A Stretcher for producing copper alloy pipe for high precision petroleum pump |
| 08/22/2007 | CN101020197A Intelligent no-mold drawing formation apparatus and process |
| 08/21/2007 | US7258756 Very thin, high carbon steel wire and method of producing same |
| 08/21/2007 | US7257979 Device and method for reshaping bar-shaped materials particularly for drawing and extruding |
| 08/08/2007 | CN2930907Y Spooler of wire-drawing machine |
| 08/08/2007 | CN1330438C Horizontally continuously cast rod of aluminum alloy and method and equipment for producing the rod |
| 08/08/2007 | CN101014426A Drawing machine and method for drawing an elongated workpiece |
| 08/08/2007 | CN101011790A Manufacturing method for copper-aluminium recombination line |
| 08/08/2007 | CN101011710A Precision cold-drawing method of high precision and high strength 27SiMn seamless steel pipe |
| 08/07/2007 | US7251976 Apparatus and method for the noncircular bending of tubes |
| 08/02/2007 | DE10232159B4 Verschleißfester gestreckter Körper aus Aluminiumlegierung, Herstellungsverfahren dafür und dessen Verwendung für Kolben für eine Auto-Klimaanlage Wear-resistant elongated body made of aluminum alloy, production method thereof and the use thereof for piston for a Car Air Conditioner |
| 08/01/2007 | EP1660250B1 Method for producing metallic flat wires or strips with a cubic texture |
| 08/01/2007 | CN1329534C Mfg. process for making engine components of high carbon content steel using cold forming techniques |
| 08/01/2007 | CN101010152A Method of producing a magnesium-alloy material |
| 08/01/2007 | CN101007384A Manufacturing method of 17-4PH steel pipe |
| 08/01/2007 | CN101007317A Rolled article leveling device |
| 07/31/2007 | US7249482 Electrode texturing tool and method of use thereof |
| 07/25/2007 | CN2925664Y Automatic artificial pattern threading mechanism |
| 07/25/2007 | CN2925663Y High-speed multi-passage drawing wireddrawing machine of cistern |
| 07/25/2007 | CN101004957A Copper-aluminum composite contact wire and its producing method |
| 07/25/2007 | CN101003117A A sort of Fe-Ga magnetostriction alloy wire and preparation method |
| 07/25/2007 | CN101003112A Extrusion method for producing welding wire of magnesium alloy |
| 07/25/2007 | CN101003109A Active mesothermal copper base solder, and preparation method |
| 07/18/2007 | EP1556179B1 Device and method for reshaping bar-shaped materials particularly for drawing and extruding |
| 07/17/2007 | US7243409 Weldable conduit method of forming |
| 07/12/2007 | DE102006001064A1 Production of seamless tube especially of large diameter D and/ or large wall thickness (s) in which prematerial is formed in punching press to tube or bloom with movement of tool contact region during forming |
| 07/11/2007 | CN2920467Y Steel wire on line vibration proof device of straight feeding type wire drawing machine |
| 07/11/2007 | CN2920466Y New type wire drawing pliers |
| 07/11/2007 | CN2920465Y Wiredrawing roller for wire drawing factory |
| 07/11/2007 | CN1995426A Lanthanum microdoped molybdenum alloy wire preparation method |
| 07/11/2007 | CN1995409A Cold-drawn wire high temperature deformation water-bath processing method |
| 07/11/2007 | CN1994604A Drawbench for carbon steel metal material |
| 07/11/2007 | CN1994603A Drawbench provided with position self-adjusted drawing die |
| 07/10/2007 | CA2467183C Wire reduction device |
| 07/04/2007 | CN2917847Y Cold-drawn material draw-off gear for flat anchor blank of preload stress industry |
| 07/04/2007 | CN1990160A Baked flux cored wire for gas shield arc welding having excellent rust resistance and feedability and a method for preparing thereof |
| 07/03/2007 | US7237422 Method of drawing a composite wire |
| 06/28/2007 | DE102005061143A1 Method for adjusting a wire drawing device for processing wires into nails and screws comprises reducing the cross-section at the free end of the wire using a machining finishing method and feeding the wire into the wire drawing device |
| 06/27/2007 | CN2915303Y Full-automatic aluminum pipe cold dawning machine |
| 06/27/2007 | CN1988060A Processing method for irregular cross section hollow conductor using no-oxygen copper blank |
| 06/27/2007 | CN1323221C Steel pipe for use as embedded expandedpipe, and method of embedding oil-well steel pipe |
| 06/21/2007 | WO2007069497A1 Steel wire for spring |
| 06/21/2007 | WO2007068439A1 Method for manufacturing a tube of copper or copper alloy |
| 06/20/2007 | CN2912855Y Tension control mechanism by take-up wire with gradual change angle for drawbench |
| 06/14/2007 | US20070130873 Building elements |
| 06/14/2007 | DE102005058807A1 Vorrichtung zum Ziehen und/oder Durchdrücken mit zweitem Antrieb Apparatus for drawing and / or pressing with second drive |
| 06/13/2007 | EP1795275A1 Device for drawing or pressing having a second drive means |
| 06/13/2007 | CN1980754A Drawing machine and method for drawing a product to be drawn |
| 06/13/2007 | CN1978686A Method for manufacturing high-conductive heat-resistance aluminium alloy wire |
| 06/13/2007 | CN1978683A Zinc alloy wire process and composition |
| 06/12/2007 | CA2476122C Method of making metal workpiece |
| 06/06/2007 | CN1975094A Steel pipe for burying and expansion and burying method of oil well steel pipe |
| 06/06/2007 | CN1974811A Process of making zinc-base alloy wire and rod with high strength and high toughness |
| 06/05/2007 | US7225868 Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe |
| 06/05/2007 | US7225658 Method for manufacture of a metal shell, and a cup designed to serve as a blank |
| 05/24/2007 | US20070113611 Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method |
| 05/16/2007 | CN2899994Y Automatic mold changing device for cold drawing machine |
| 05/16/2007 | CN2899993Y Double link rod multiple wire cold drawing cart |
| 05/09/2007 | EP1484121B1 Method of manufacturing torsion bar for vehicle steering device |
| 05/09/2007 | CN2897475Y Staggered distributed stepped pulley device in main working area for wiredrawing machine |
| 05/09/2007 | CN1958185A Energy saving many-headed machine for extending fine lines |
| 05/02/2007 | CN1313793C Spiral internal-recessing metal pipe and method for manufacturing the same |
| 04/26/2007 | US20070089474 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof |
| 04/26/2007 | DE102005050974A1 Method for production of rotating tool in particular drill bit or router bit, comprises creation of clamping segment with drawing die |
| 04/25/2007 | CN1951590A Method for manufacturing copper aluminum bimetal wire |
| 04/18/2007 | EP1775037A1 Method for producing magnesium alloy product |
| 04/18/2007 | CN1949493A Bonded copper wire and preparing method thereof |
| 04/18/2007 | CN1949492A Bonded copper wire and preparing method thereof |
| 04/18/2007 | CN1948531A High manganese copper nickel zinc alloy and preparation method of its wire, rod and plate belt material |
| 04/18/2007 | CN1947877A Super thin wall type titanium tube mfg. method |
| 04/12/2007 | US20070082223 Stainless steel wire, spring and method of manufacturing the spring |
| 04/12/2007 | DE102005049018A1 Tensioning disc for a wire tensioning unit, comprises a circumferential surface with a groove and transparent areas |
| 04/11/2007 | CN1943962A High strength aluminum alloy welding wire and its preparing method |
| 04/10/2007 | US7201812 Method for manufacturing seamless steel tube |
| 04/04/2007 | CN2885441Y High intensity steel wire-drawing machine with wire-drawing drum of outer circumference applying force |
| 04/04/2007 | CN1941222A Method for producing heat-resisting high-strength aluminium alloy wire |
| 03/21/2007 | CN1933037A Method for producing copper alloy contact wire with excellent comprehensive performance |
| 03/21/2007 | CN1305638C Method for manufacturing seamed flux-cored welding wire |
| 03/21/2007 | CN1305624C Wire for high-speed electrical discharge machining and producing method and usage thereof |
| 03/14/2007 | EP1761348A1 Drawing machine and method for drawing an elongated workpiece |
| 03/14/2007 | CN1927492A Hubbing method for stainless steel fibre |
| 03/14/2007 | CN1927491A Wiredrawing step pulley |
| 03/14/2007 | CN1927490A Multi-head wiredrawing wheel |
| 03/14/2007 | CN1927489A Single-head wiredrawing method |
| 03/14/2007 | CN1927488A Multi-headed wiredrawing method |
| 03/07/2007 | CN1923394A Processing method for high surface quality filament stock of titanium and titanium alloy |
| 03/07/2007 | CN1302872C Metal blank for thermal expansion forming |
| 02/28/2007 | CN1920083A Manufacture method of ultra-low-temperature, high-strength and long-fatigue life automobile bridge seamless heterotype axle steel tube |
| 02/28/2007 | CN1919488A Expanding apparatus for hydraulic pressure cold drawing machine |
| 02/21/2007 | CN2871046Y Pipe drawing apparatus |